US1014257A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibration-absorber for alternating-current-magnet armatures.
Assignee: Otis Elevator Co
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Filing: 1908-08-21
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Granted: 1912-01-09
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Expires: 1928-08-21
Abstract
No abstract record available.
Inventors
- 👤 Conrad L Rosenqvist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:36
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/06; H01F7/08; H01F7/10; H01F7/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1915-01-08 | 1915-07-10 | 1916-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-01-08 | 1919-07-10 | 1920-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-01-08 | 1923-07-10 | 1924-01-09 | $7700.00 | Window Closed / Lapsed |